Heart disease is the world's leading cause of death in most industrial countries and it requires drastic changes in the lifestyle of the patient. Research on social support and coping with stress has repeatedly shown that being in a supportive spousal relationship has a significant effect on the recovery from a heart disease through alterations in mood, as well as through health habits. However, there are interpersonal differences in the abilities to receive and to provide support. Most of the literature to date has focused either on the experiences of the support recipient or on the support provider; much less research has taken both partners' characteristics into consideration (Revenson & DeLongis, 2011).